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04-15-2009   #1 (permalink)
WhatThePhuc
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IGN: Phuc Tran
Class: Visual Arts Major lt_warlord
Level: 23
Guild: University of California, San Diego
Default <STEP's Guide to Calculating DPS>

so i've noticed lately that many people do not know how to calculate dps (damage per second)
well, it's exactly what it is: damage per (1) second
or total damage divided by time (in seconds)
this guide will explain how to calculate dps in a given situation

Here are things you need to calculate:

Damage Per Hit
When calculating damage, you have to know what you're looking for
if you're looking for the MAXIMUM POSSIBLE, then you use the highest number in the range
for example:
dainn's rb fury of land's damage range at max is 674-750
if you're looking for the maximum damage possible of rb fury, you use 750
if you're looking for the MINIMUM POSSIBLE, then you use the lowest number in the range (in rb fury's case 674)

But maybe you aren't looking for the maximum or minimum
you're looking for the AVERAGE damage per hit
to find the average damage per hit of a skill, add the maximum and minimum together and divide by 2
for example:
lvl 1 jog's damage range is 205-228
205+228=433
433/2=216.5
average damage of lvl 1 jog is 216.5 (your choice to round up or down)

Number of Hits
The number of hits a skill does may vary depending on the target(s) and/or position
for example, dong dong on 5 targets vs dong dong on 1 target
or shining needle on lunia up close vs shining needle on lunia far away
etc. etc.
you can check the number of hits by looking at the number(s) on the right of your screen (chain)
for example:
yuki does ice bomb (which shoots 4 ice arrows) and hits a group of enemies, totaling 7 hits

Total Damage
total damage = (damage per hit) x (number of hits)
again, it depends on what you're looking for
the maximum, minimum, or average, etc.
for example:
i'm calculating the maximum damage of max dfist
the damage range is 1055-1173
i use 1173 since im looking for max possible
i'm calculating based on dfist hitting only 1 time
1173*1=1173
another example:
i'm calculating the average damage of lvl 1 ddb
the range is 147-164
(147+164)/2=155.5 average damage per hit
i'm calculating based on ddb hitting a group of enemies, totaling 115 hits
155.5*115=17,882 total damage

Time Frame
This is the final part
the time frame
when using a short time frame, people are talking about "burst damage", or damage in a small time frame
you can calculate based on long time frames too
dps=damage/time(in seconds)
the time frame you decide to use is based on the situation
if you're calculating the dps assuming that the skill is used whenever available, then you should use the cooldown of the skill as the time frame

Examples
Shining needle's damage at max is 242-270
i'm calculating based on maximum possible damage, so i use 270 damage per hit
Shining needle does 7 hits on lunia
270*7=1890 total damage
the time frame i decide to use is 7 seconds(the cooldown of s. needle)
1890/7=270 dps
in this situation, the maximum dps of shining needle in a timeframe of 7 seconds is 270

RB Ice Dragon Heart's damage range at max is 164-183
i'm calculating based on average damage
(164+183)/2=173.5 average damage per hit
i use it on jungle turtle and it hits 25 times
it has a 20 second cooldown; i use it again 20 seconds later and it hits 23 times
173.5*(23+25)=8328 total damage in a timeframe of 25 seconds
8328/25=333.12 dps
in this situation, the average dps of rb ice dragon heart in a timeframe of 25 seconds is 333.12
__________________

Last edited by WhatThePhuc; 05-06-2009 at 08:25 PM.